Restructuring Charges Restructuring Charges (By Segment) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			15 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 237	$ 136	$ 74
Restructuring and Related Cost, Cost Incurred to Date				315	[1]
Restructuring and Related Cost, Expected Cost	500
North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	139
Restructuring and Related Cost, Cost Incurred to Date				192	[1]
Restructuring and Related Cost, Expected Cost	331
Latin America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0
Restructuring and Related Cost, Cost Incurred to Date				2	[1]
Restructuring and Related Cost, Expected Cost	6
EMEA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	89
Restructuring and Related Cost, Cost Incurred to Date				110	[1]
Restructuring and Related Cost, Expected Cost	151
Asia [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	7
Restructuring and Related Cost, Cost Incurred to Date				8	[1]
Restructuring and Related Cost, Expected Cost	8
All Other Segments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	2
Restructuring and Related Cost, Cost Incurred to Date				3	[1]
Restructuring and Related Cost, Expected Cost	$ 4

[1] 1 Cumulative charges exclude $22 million of employee termination costs and $17 million of facility and other exit costs related to previous restructuring plans that were transferred into the 2011 plan during 2011.